Home / 217,476.97-326,051.43-142,615.96

Finding the Fourth Proportional to 217,476.97, 326,051.43 and 142,615.96

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Solution

The fourth proportional to 217,476.97, 326,051.43 and 142,615.96 is: 213,816.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,476.97 : 326,051.43 = 142,615.96 : x
  2. Step 2: Convert to fraction form
    217,476.97/326,051.43 = 142,615.96/x
  3. Step 3: Cross multiply
    217,476.97x = 326,051.43 × 142,615.96
  4. Step 4: Simplify right side
    217,476.97x = 46,500,136,348.88
  5. Step 5: Solve for x
    x = 46,500,136,348.88/217,476.97
  6. Step 6: Final answer
    x = 213,816.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.